K2-209

Display orbital revolution around the star K2-209
Imaginary Picture of Star K2-209
Star Name : K2-209
Alternate Name : "2MASS J00584575+0123014, EPIC 220241529, TYC 12-531-1, WISE J005845.70+012259.1"
Star Distance (LY/pc): 250.0638 (LY) 76.6700 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 0.7100 (Rsun, estimated)
Stellar Mass (Msun): 0.7400 (Msun/observed) 0.7400 (Msun/estimated)
Spectral type : K3
Metalicity : -0.0600
Absolute Magnitude : 4.84
Apparent Magnitude : 9.26
Right Ascension(RA) : 14.69068
Declination(DEC) : 1.38381
  • This is the K2-209 . The star K2-209 islocated about 250.1 light-years (76.7 pc) away from our Solar System.
  • The star K2-209 has apparent magnitude of 9.3, with absolute magnitude of 4.8.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4720 with its spectral types of K3
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet K2-209 b radius 0.077000 mass 0.001823 orbital distance 0.000000
    (Illustration of the K2-209's Planetary System)



    The Star K2-209 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.343 AU ( 51262579.8 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.474 AU ( 70858281.8 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.722 AU ( 107972340.6 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.062 AU ( 158886029.1 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-209)



    Kopparapu's Recent Venus for Star K2-209 distance : 0.375 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star K2-209 distance : 0.475 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star K2-209 distance : 0.459 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star K2-209 distance : 0.503 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star K2-209 distance : 0.871 AU
    Kopparapu's Outer Boundary for Early Mars for Star K2-209 distance : 0.919 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-209)



  • Original Kopparapu Recent Venus for Star K2-209 distance : 0.371 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-209 distance : 0.490 AU
  • Original Kopparapu Moist Greenhouse for Star K2-209 distance : 0.490 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-209 distance : 0.886 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-209 distance : 0.921 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-209)



    (Position in Stellar Map of star K2-209 )



    (Zoomed position in Stellar Map of star K2-209 (zoom level 3))

    (Synthetic Spectrum of star Kepler-923*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102